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troubleshooting

  1. D

    NAD C565BEE CD player error - thin hollow sound intermittently occuring

    Hi, I have the following fault on my NAD C565BEE CD player: Intermittent - periodically (a few days in a row) works flawlessly, periodically the fault comes every half hour - 1 h in between. Not heat related - can happen after 5 minutes of playing. Behaviour: Suddenly the sound disapears...
  2. capcapsaicin

    New forum member with a new to me G6000 that needs some help

    New member to this Sansui forum and I just picked up a Sansui G6000 that needs some serious help. No sound from either the driver outputs or the headphone output. All the lights work however so that gave me some encouragement to try to get this thing working again. Thank you to @kevzep for...
  3. Ray122

    Sansui 9090 Indicator Light Question

    Hey everyone! I'm working on a 9090, and I'm about to upgrade all the indicator lamps to LEDs, however I'm experiencing a little bit of a weird and likely stupid problem where the Aux and Phono indicator lamps aren't receiving voltage when engaged. I checked the lamps first and they're not...
    • Ray122
    • Thread
    • diy lamp lamps light repair sansui sansui 9090 troubleshooting
    • Replies: 3
    • Forum: Exclusively Sansui
  4. FatsLeDieux

    help troubleshooting a high pitched tone from Sony PS-X600

    I've been on the prowl for one of these for a while and finally scored a good condition one, but in the last week it's developed a really odd high-pitched tone that I'm having trouble tracking down - so I'm reaching out to the community for troubleshooting ideas. here's what I've been able to...
    • FatsLeDieux
    • Thread
    • noise trouble ps-x600 sony turntables troubleshooting
    • Replies: 18
    • Forum: Turntables
  5. JPJ

    MQ 101 questions

    bought a pair of ML-1C's that were said to have been recapped, but did not come with an eq. the speakers sounded fine to me but I was keeping my eyes out for an eq. not too long after, I ended up buying an amp from someone who had an MQ-101 laying around not being used in his place. he threw...
    • JPJ
    • Thread
    • equalizer mcintosh ml-1c mq101 troubleshooting
    • Replies: 1
    • Forum: McIntosh Audio
  6. treasurehunt

    AudioSource Preamp/Tuner Two Outlets

    I recently picked up one of these for a song and for the most part it works and (pleasant surprise) sounds pretty dang good to me! The tuner is one of the best I've owned, it picks up stations without an antenna! However, the switched outlets have been funky since day one. If the unit has...
  7. L

    Video inquiry-help-troubleshoot locked turntable issue

    Here's a video illustrating my question: I just bought a Zenith stereophonic turntable console from an estate sale. It work and sounded great--aside from a slight scraping noise that the turntable was making. When I clicked the switch over to "REJ" (reject), the turntable locked and although I...
    • lawyerben
    • Thread
    • locked reject switch troubleshooting turntable zenith
    • Replies: 8
    • Forum: Turntables
  8. B

    Right Channel of Amplifier Much lower than Left

    I have been repairing a Vintage NAD 7150 receiver - Original problem was that when playing a music source the right channel would abruptly quit - the time span before it would quit became shorter and shorter until it would never go on - I took a look and found multiple caps had leaked - I...
    • brada220
    • Thread
    • nad 7150 troubleshooting volume issue
    • Replies: 21
    • Forum: DIY
  9. Wildcat

    TubeCube | 7 has quit; any ideas on troubleshooting?

    From another thread... So recently, mine was taking an hour or two before the tubes would light up and the amp would be usable. Yesterday was the final straw--I had turned it on after dinner on Saturday, and naturally it didn't work. Sunday morning, I got to the computer desk and realized...
    • Wildcat
    • Thread
    • repair troubleshooting tube amp tubecube tubecube 7
    • Replies: 20
    • Forum: Tube Audio
  10. Siraudio85

    Need Help with Monster Technics SA-1010 (stuck in protect mode)

    Hello, I'm new to the site and happy to be here. I recently acquired this monster receiver that powers up but stays in protect mode. When powered up no relays click. I understand this unit has a computer drive that controls the amp board and its very sophisticated. I need some help finding the...
  11. MBuras

    Marantz 1060B Rebuild & Troubleshooting

    Almost since the beginning of my time on this forum I've heard derogatory comments about the 1060B amplifier. Build quality is terrible, sound is terrible, nothing like the original 1060, etc. So of course I had to find out for myself. :D This one came to me in great cosmetic shape and...
    • MBuras
    • Thread
    • 1060b amplifier buzz hum marantz troubleshooting
    • Replies: 12
    • Forum: Marantz Audio
  12. elliot g.

    NO SIGNAL from Kenwood KR - 4010

    Hello, I am new to vintage gear and I just got a Kenwood KR 4010. When I hooked it up I heard faint noise coming from the tuner, but when I switched to phono I have no signal. When I switch back to the tuner, I have a signal, but nothing from the speakers. I know my speakers and turntable...
  13. D

    Troubleshooting crackly channel

    Hi. I need some help diagnosing a problem. I have a Kenwood KA-3500, which has developed a problem with one of the channels crackling. The crackle doesn't start immediately when the amp is turned on, and takes at least a minute to get going. The channel still plays, but does seem to be down on...
    • DoktaDave
    • Thread
    • crackle ka-3500 kenwood troubleshooting
    • Replies: 3
    • Forum: Solid State
  14. kermit_xc

    Yamaha C-60 Woofer Pumping Problem

    ... and loose output RCA god, this preamp sounds amazing (paired with a matching M-60). But - this weird thing happens where random channels (sometimes both) start this woofer pumping thing. When this starts happening, the volume adjustment makes no difference, but the Loudness knob definitely...
    • kermit_xc
    • Thread
    • c-60 cold-solder ic107 restoration troubleshooting
    • Replies: 75
    • Forum: Yamaha
  15. EJC1

    Trouble Shooting my new Home A/V system

    The more experienced guys may not have a lot of interest in this, but up until a year and a half ago I thought that I was experienced. I did the attached video because I've seen postings here on issues that have been encountered with the auto setup. I doubt that I will ever use an Auto setup...
  16. J

    Concept 2.0 troubleshooting

    I picked up a concept 2.0 receiver for 20 bucks. Lights function and all looked good. However, both tape inputs, fm section and phono section only give very quiet audio that is very distorted. I even hooked up directly to the main in to see if it was a preamo issue Same results going...
    • jskogen
    • Thread
    • amp concept repair troubleshooting
    • Replies: 10
    • Forum: Solid State
  17. T

    Martin Logan Sequel II - Panel Sensitivity Issue?

    Need some advice - - I'll probably have to check with MartinLogan too but I thought I'd start here! Own a pair of Sequel II electrostatic speakers. One panel has become very directional, and it seems as though only the right half of the panel is producing sound. This is confusing the living...
    • TheOnlyGirl
    • Thread
    • electrostatic martin logan martinlogan speakers troubleshooting
    • Replies: 8
    • Forum: Speakers
  18. Landcruiser

    Marantz 2230 and not being able to leave well-enough alone!

    Hi everyone, I'm new here and recently posted this is the Solid State forum before realizing Marantz had its own forum...here goes! I recently picked up a minty fresh, *all original* Marantz 2230 from my local Craigslist of all places. I got her home and cranked her up..sounded great aside...
  19. Landcruiser

    Marantz 2230 ~ What did I fry?

    Hello, All! This is my first post here on AK, so be gentle.. I recently picked up a minty fresh, *all original* Marantz 2230 from my local Craigslist of all places. I got her home and cranked her up..sounded great aside from a scratchy volume pot. So I figure I'll open it up, clean out the...
  20. mvsjcl

    Woe to Me! SX-750 Protetion Relay On Strike!

    Help, oh mighty electronic gurus! Just like that, no clicky from the protection relay of my favorite receiver. I get 0v across D9 on AWR-099 (Power Supply & Protection board). The collector of Q4 reads 19v, but the base of Q5 only reads 2.4v. That doesn't seem right, but I'm not sure of my next...
  21. M

    Tuner on Harman Kardon HK430 silent

    Hello, I am looking for some technical help from a good soul. I posted this thread a few months ago but no visitor seemed to have enough knowledge of tuner electronics; therefore this new attempt. FM reception on my HK 430 receiver stopped working after a couple months of perfectly fine...
    • mqtthiqs
    • Thread
    • harman harman kardon harman kardon 430 hk hk 430 troubleshoot troubleshooting tuner
    • Replies: 10
    • Forum: Tuners
  22. B

    Problems with turntable, stumped

    One of my set ups is a classic dj 2 turntable set up. I currently have some KG4s and just recently, got a beautiful little Hafler amp to power them. It's more for social listening and people have a lot of fun with it. Channel 1 (1st turntable) works perfectly, sounds amazing with the new...
    • Brian Bee
    • Thread
    • troubleshooting turntabe and speakers turntable adjustment
    • Replies: 16
    • Forum: Turntables
  23. C

    Troubleshooting Panasonic 7671 - Phono

    Hello everyone, I'm having an issue with my phono setting on the Panasonic 7671 receiver. AM/FM work and sound great. When I plug the input to the phono to the receiver from the JVC L-F41 turntable with a Empire LTD 400 cartridge (probably 25-30 years old). When hooked up to the phono, I get...
    • cjs
    • Thread
    • 7671 jvc no sound not working panasonic receiver troubleshoot troubleshooting turntable
    • Replies: 6
    • Forum: Solid State
  24. mbose

    TEAC A-H500 Lights up No Sound

    Just learning still but trying to fix this for a friend and hoping it's something I can do. Would appreciate any help beyond the user and service manual which I have. This is a very clean unit. I cannot tell if anyone has been into it before, but there are blue felt tip pen marks on each of...
    • mbose
    • Thread
    • repair help teac a-h500 troubleshooting
    • Replies: 8
    • Forum: Solid State
  25. santashooter

    Pioneer SX-434 - Troubleshooting, fuses blow

    Hi there I hope this is the right section for this... So tonight i was out with a friend who has an old SX-434 that her dad gave her. It was in bad shape electronically, but all symptoms seemed like very bad contacts - so out with the deoxit for contact cleaning and all pots and switches were...
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